Rotary 20mm This small vintage movement does not present any particularly interesting characteristics. Hands Dial removed Hour wheel and washer Dial side with the hour wheel removed Cannon pinion Full movement Balance wheel and cock Balance wheel and impulse pin Crown wheel Ratchet wheel Barrel bridge and click Movement with balance and barrel bridge removed Gear train bridge Movement with gear train bridge removed Centre wheel Third wheel Fourth wheel with long staff carrying the small seconds Escape wheel Mainspring barrel Movement with only the lever and its bridge left Lever bridge Swiss lever Empty movement (except the crown, stem, etc) Crown, stem, setting wheel and clutch